Marks USA - Series 21AC - Ornamental Iron Mortise Lockset - Double Cylinder - Backset: 2-1/2" - Entrance - Bright Brass - Optional Handing Choose Handling:Right Continental PN: S180144507

Continental PN: S180144507

There are 4 types at present

Size 1-1/4″ (31

Part Number: 912PRX

Continental

Marks USA - Series 21AC - Ornamental Iron Mortise Lockset - Double Cylinder - Backset: 2-1/2" - Entrance - Bright Brass - Optional Handing Choose Handling:Right Continental PN: S180144507Marks USA has been a primary manufacturer of Ornamental Iron Storm Door locks for many years. During that time, many innovative improvements were developed to increase the reliability and ease of installation. Innovations includes the "Uni Lock" model with single screw assembly, elimination of threaded swivel spindles in favor of the more secure thru bolted design, helper springs in lever rose sets, and steel hubs for greater endurance.